[AT] Sap is rising/good news and bad

[jahaze at aol.com]

The blue/green dye used to go by the trade name "Aquasheen"? it may also have other names out there.? Personally, I think it makes the water look so unnatural that it seems like a waste of money, but if you like that nice blue water look next to your artificial green grass and pink flamingo's, go for it.? :-)

Enjoy, Joe


-----Original Message-----
From: Mogrits <mogrits at gmail.com>
To: Antique tractor email discussion group <at at lists.antique-tractor.com>
Sent: Mon, 16 Mar 2009 11:07 am
Subject: Re: [AT] Sap is rising/good news and bad



Copper sulfate is a blue powder that can be applied to ponds to
control aquatic weeds. It does not color the water- it is a straight
out poison to the weeds. There may be a dye I'm not aware of that
might coincidentally be blue. We fertilize ponds to promote a healthy
green algae bloom that blocks sunlight to the bottom, stunting the
growth of weeds, but that turns the water a bright green.

Copper sulfate is definitely toxic to plants.

Warren

On Mon, Mar 16, 2009 at 9:34 AM, charliehill <charliehill at embarqmail.com> wrote:
> I'm not sure how the copper sulfate works but there is a dye available for
> ponds that basically shades out the grass. ?I can't tell you the name of it.
> Contact the County Ag agent in your county. ?You don't have to be a farmer
> to talk to them.
>
> Charlie
> ----- Original Message -----
> From: "Len Rugen" <rugenl at yahoo.com>
> To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
> Sent: Monday, March 16, 2009 9:22 AM
> Subject: Re: [AT] Sap is rising/good news and bad
>
>
>> Isn't that also used in septic systems to stop roots?
>>
>> If so, it's not the light.....
>>
>> Mark Greer wrote:
>>> It is my understanding that copper sulfate is used in ponds to prevent
>>> algae
>>> and does so by coloring the water and depriving the algae of light. I
>>> don't
>>> think it actually kills the algae from a toxic reaction to the copper
>>> sulfate. You've probably noticed some farm ponds with blue water that is
>>> a
>>> bit un-natural looking but very clean of weeds & algae. There are
>>> chemicals
>>> that do kill aquatic weeds like Round-Up does on land. I think the
>>> aquatic
>>> version of Round-Up is called Rodeo or something like that.
>>> Mark

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